Oswal Self Priming Monoblock Pump OMP-O2 (0.5HP) is the result of hard work and various tests. The pump is known for brilliant self-priming ability, premium performance and utmost operating efficiency. The pump’s high performance is also ensured as it is made with precision ground, high-quality steel shaft, and AC induction motor. As far designing is concerned, the pump has a compact shape that makes it easier to carry it from one location to another.